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Software Development Engineer - C++

LSEG

Saint Louis, MO · Senior

Listed on LSEG’s own careers site. You apply with them directly — we never stand between you and the employer.

What this role is

This role involves building and maintaining high-performance, low-latency financial data processing systems in C++ on Linux, where you'll work alongside experienced engineers on real-time market infrastructure that serves global exchanges. It suits mid-career developers with strong C++ fundamentals who are ready to deepen their systems programming expertise while contributing to mission-critical financial technology.

Our summary, not LSEG’s wording. The full posting is on their site.

Skills this role names

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What they ask for

Required

  • Bachelor's degree in Computer Science, Engineering, or equivalent experience
  • Strong C++ and object-oriented programming experience
  • Linux development environment experience
  • Understanding of full software development lifecycle
  • Strong problem-solving and analytical abilities
  • Familiarity with debugging tools
  • Ability to learn new technologies quickly
  • Strong written and verbal communication skills

Nice to have

  • Scripting languages such as Python, Bash, or PowerShell
  • Agile development methodologies
  • Automated testing frameworks
  • Multi-threaded programming concepts
  • Containerized development and deployment experience with Docker or Kubernetes
  • Rust programming language experience or interest in learning it
  • Experience with real-time or low-latency systems
  • Experience with market data feeds or financial technology
  • Familiarity with AI tools in the software development lifecycle

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